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8141524: CompilerTest execution time dominated by Field.setAccessible

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Reviewed-by: hannesw, mhaupt, sundar
This commit is contained in:
Attila Szegedi 2015-11-05 12:15:40 +01:00
parent 8fa1d710b7
commit 51f33e9a51
1 changed files with 11 additions and 2 deletions
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13
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/debug/ASTWriter.java
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@ -55,6 +55,16 @@ import jdk.nashorn.internal.runtime.Debug;
* see the flags --print-ast and --print-ast-lower
*/
public final class ASTWriter {
private static final ClassValue<Field[]> accessibleFields = new ClassValue<Field[]>() {
@Override
protected Field[] computeValue(final Class<?> type) {
final Field[] fields = type.getDeclaredFields();
for(final Field f: fields) {
f.setAccessible(true);
}
return fields;
}
};
/** Root node from which to start the traversal */
private final Node root;
@ -258,9 +268,8 @@ public final class ASTWriter {
while (iter.hasNext()) {
final Class<?> c = iter.next();
for (final Field f : c.getDeclaredFields()) {
for (final Field f : accessibleFields.get(c)) {
try {
f.setAccessible(true);
final Object child = f.get(node);
if (child == null) {
continue;